Key facts
- Brand
- Analog Devices
- Model
- AD9857
- Industry
- Industrial
- Documents
- 5
- Languages
- EN
- Last added
- 2012-05-03
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Analog Devices AD9857 Datasheet Rev C
The AD9857 integrates a high‑speed direct digital synthesizer, a 14‑bit DAC, clock multiplier circuitry, and digital filters into a single chip, offering a universal I/Q modulator and agile upconverter for communications applications. It operates over an extended industrial temperature range of –40 °C to +85 °C and is supplied in an 80‑lead LQFP package.
The document includes a functional block diagram, detailed specifications, absolute maximum ratings, pin configuration tables, timing characteristics, power‑supply requirements, and an ordering guide, enabling designers to evaluate and implement the device in their systems.
Analog Devices AD9857 specifications
| Internal clock rate | 200 MHz |
|---|---|
| Resolution | 14 Bits |
| Supply voltage | 3.3 V ± 5 % |
| Maximum junction temperature | 150 °C |
| Operating temperature range | –40 °C to +85 °C |
| Package type | 80‑lead LQFP (ST‑80) |
All Analog Devices AD9857 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum internal clock frequency of the AD9857?
The device supports an internal clock rate of up to 200 MHz.
What package does the AD9857 use?
It is supplied in an 80‑lead quad flat‑pack (ST‑80) package.
What supply voltage does the AD9857 require?
The device operates from a 3.3 V supply with a tolerance of ±5 %.
What is the DAC resolution of the AD9857?
The integrated DAC provides a 14‑bit resolution.
What is the operating temperature range of the AD9857?
The AD9857 is specified to operate from –40 °C to +85 °C.
What is the maximum internal clock rate of the AD9857?
The device supports an internal clock rate of up to 200 MHz.